mms.h 2.3 KB

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  1. /*
  2. * MMS protocol common definitions.
  3. * Copyright (c) 2010 Zhentan Feng <spyfeng at gmail dot com>
  4. *
  5. * This file is part of FFmpeg.
  6. *
  7. * FFmpeg is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU Lesser General Public
  9. * License as published by the Free Software Foundation; either
  10. * version 2.1 of the License, or (at your option) any later version.
  11. *
  12. * FFmpeg is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with FFmpeg; if not, write to the Free Software
  19. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20. */
  21. #ifndef AVFORMAT_MMS_H
  22. #define AVFORMAT_MMS_H
  23. #include "url.h"
  24. typedef struct MMSStream {
  25. int id;
  26. }MMSStream;
  27. typedef struct MMSContext {
  28. URLContext *mms_hd; ///< TCP connection handle
  29. MMSStream *streams;
  30. /** Buffer for outgoing packets. */
  31. /*@{*/
  32. uint8_t *write_out_ptr; ///< Pointer for writing the buffer.
  33. uint8_t out_buffer[512]; ///< Buffer for outgoing packet.
  34. /*@}*/
  35. /** Buffer for incoming packets. */
  36. /*@{*/
  37. uint8_t in_buffer[65536]; ///< Buffer for incoming packets.
  38. uint8_t *read_in_ptr; ///< Pointer for reading from incoming buffer.
  39. int remaining_in_len; ///< Reading length from incoming buffer.
  40. /*@}*/
  41. /** Internal handling of the ASF header */
  42. /*@{*/
  43. uint8_t *asf_header; ///< Stored ASF header.
  44. int asf_header_size; ///< Size of stored ASF header.
  45. int header_parsed; ///< The header has been received and parsed.
  46. int asf_packet_len;
  47. int asf_header_read_size;
  48. /*@}*/
  49. int stream_num; ///< stream numbers.
  50. unsigned int nb_streams_allocated; ///< allocated size of streams
  51. } MMSContext;
  52. int ff_mms_asf_header_parser(MMSContext * mms);
  53. int ff_mms_read_data(MMSContext *mms, uint8_t *buf, const int size);
  54. int ff_mms_read_header(MMSContext * mms, uint8_t * buf, const int size);
  55. #endif /* AVFORMAT_MMS_H */